Home / 3,022.38-4,531.95-1,378.04

Finding the Fourth Proportional to 3,022.38, 4,531.95 and 1,378.04

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Solution

The fourth proportional to 3,022.38, 4,531.95 and 1,378.04 is: 2,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.38 : 4,531.95 = 1,378.04 : x
  2. Step 2: Convert to fraction form
    3,022.38/4,531.95 = 1,378.04/x
  3. Step 3: Cross multiply
    3,022.38x = 4,531.95 × 1,378.04
  4. Step 4: Simplify right side
    3,022.38x = 6,245,185.72
  5. Step 5: Solve for x
    x = 6,245,185.72/3,022.38
  6. Step 6: Final answer
    x = 2,066.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.